Metal Gear Solid V: Ground Zeroes allows you to transfer your save data from the game to The Phantom Pain. This unlocks new in-game costumes as well adds some of the soldiers, that you extracted in Ground Zeroes, to your Mother Base in The Phantom Pain.

The list below contains the confirmed additions to The Phantom Pain once a player transfers his save from Ground Zeroes.

Edit: Just to clear any confusion, the mission numbers included here are for The Phantom Pain. You don’t need to do anything in Ground Zeroes. You will, of course, need to capture all the recruits for your Ground Zeroes Save Data before you can import them in The Phantom Pain.